新型含铜催化剂对RDX／HTPB推进剂燃速影响的研究

EFFECT OF COPPER-CONTAINING CATALYSTS ON COMBUSTION CHARACTERISTICS OF RDX/HTPB COMPOSITE PROPELLANTS

关键词:  燃烧催化剂  燃速  推进剂试验  硝胺推进剂

Key words:  Combustion Catalyst  Burning rate  Propellant test  Nitramine propellant

摘要:

用热分析方法筛选出两种合铜催化剂对ＲＤＸ／ＨＴＰＢ推进剂进行了配方试验研究，采用声发射法测定４～８ＭＰａ条件下药条燃速，由实验结果可看出：这两种新型含铜催化剂对提高燃速，降低燃速压强指数有明显效果；燃速可提高４２％，压强指数可降低１４％，经适当组合，可进一步提高燃速，降低燃速压强指数。

Abstract:

n this paper,thermal analysis method is applied to select two cupric catalysts,and the effect of those catalysts in RDX/HTPB propellant formula is studied experimentally.The acoustic radiating method is used to measure burning-rate of the propellants under the pressure condition of 4-8MPa.From the experimental results,it canbe seen that the two new cupric catalysts are effective,they can improve burning-rateby 42%,lower burning rate pressure exponent by 14%,If the catalysts are composedproperly,they can improve burning rate and lower burning-rate pressure exponentmore.